• MESO: Mesoscale Discussion 2007

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Tue Aug 27 02:21:28 2024
    ACUS11 KWNS 270220
    SWOMCD
    SPC MCD 270219=20
    WIZ000-MNZ000-270345-

    Mesoscale Discussion 2007
    NWS Storm Prediction Center Norman OK
    0919 PM CDT Mon Aug 26 2024

    Areas affected...portions of western into central Wisconsin

    Concerning...Severe Thunderstorm Watch 651...653...

    Valid 270219Z - 270345Z

    The severe weather threat for Severe Thunderstorm Watch 651, 653
    continues.

    SUMMARY...The severe threat continues across the remainder of Severe Thunderstorm Watch 651 into 653. Severe gusts are the main threat,
    with the best chances of severe gusts likely around the northern
    portions of the bow echo MCS.

    DISCUSSION...Several damage reports have been received in
    conjunction with an east-northeast propagating bow echo MCS over the
    past few hours, along with ASOS measurements in the 45-55 kt range.
    This bow echo will continue to traverse a diffuse baroclinic zone,
    riding a gradient of strong instability (i.e. 3000-4500 J/kg
    MLCAPE), where MLCINH remains minimal. On the northern end of this
    cyclonic bow echo MCS is a line-end mesovortex, where the most
    recent wind damage reports have been received, and where
    regional-radar cross-section analyses depicts the presence of a
    rear-inflow jet. As such, damaging gusts should continue in this
    regime for at least a few more hours, with some strong/damaging wind
    gusts also possible farther south along the line.

    ..Squitieri.. 08/27/2024

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!88W6UD2yoaiLqrjDhhlQDtp77MI3OZZzAPYxNnJPazygY3V9xzyGf_HkVvFY6RxyQtZEY-Pbz= 4wxKiy0nG-dKLlfPLU$ for graphic product...

    ATTN...WFO...GRB...DLH...ARX...MPX...

    LAT...LON 44289121 44229199 44609235 45239265 45749277 46099246
    46309172 46379127 46259012 45598833 45098802 44838847
    44638923 44458994 44359074 44289121=20


    =3D =3D =3D
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